File:Sandstone boulders - geograph.org.uk - 657875.jpg
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| Description |
English: Sandstone boulders The edge of the plateau is marked by a steep escarpment comprising tumbled boulders of sandstone. Even on this scale the striations caused by erosion of the original bedding features are obvious in the frost-shattered outcrop. The sandstones belong to the Cwm Eigiau formation, of Ordovician age and named after this area where it is exposed particularly well. The sandstones were formed during an erosive interlude in the long history of volcanism in the area about 450 million years ago. |
| Date | |
| Source | From geograph.org.uk |
| Author | Jonathan Wilkins |
| Attribution (required by the license) | Jonathan Wilkins / Sandstone boulders / |
| Camera location |   | View this and other nearby images on: OpenStreetMap |  |
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_heading:45.00&language=en){kind=link}
| Object location | | View this and other nearby images on: OpenStreetMap | |
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_heading:45.00&language=en){kind=link}
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This image was taken from the Geograph project collection. See this photograph's page on the Geograph website for the photographer's contact details. The copyright on this image is owned by Jonathan Wilkins and is licensed for reuse under the Creative Commons Attribution-ShareAlike 2.0 license.
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This file is licensed under the Creative Commons Attribution-Share Alike 2.0 Generic license.
Attribution: Jonathan Wilkins
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- The topic category from Geograph was Rock outcrops (find similar images outcrops at Geograph)
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
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| current | 15:56, 7 February 2011 | | 640 × 480 (68 KB) | GeographBot (talk | contribs) | == {{int:filedesc}} == {{Information |description={{en|1=Sandstone boulders The edge of the plateau is marked by a steep escarpment comprising tumbled boulders of sandstone. Even on this scale the striations caused by erosion of the original bedding featu |
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